atp_is
atp_is(atpdev, 0, wide_chip, 0);
atp_is(atpdev, 0, true, atp_readb_base(atpdev, 0x3f) & 0x40);
atp_is(atpdev, 0, true, atp_readb_io(atpdev, 0, 0x1b) >> 7);
atp_is(atpdev, 1, true, atp_readb_io(atpdev, 1, 0x1b) >> 7);
static void atp_is(struct atp_unit *dev, unsigned char c, bool wide_chip,